Stainless Steel Bi-Metal Thermometer,1.5" Tri-clamp 4" Stem, 3" Dial, 0 to 200 F Degrees: Amazon.com: Industrial & Scientific
Clip on Pipe Clamp HVAC Thermometer - Clip on Thermometer Pipe Temperature Gauge for Measuring Temperatures of HVAC Hot Water Pipes and Radiators: Amazon.com: Industrial & Scientific
Fluke - -20 to 300°F, Pipe Surface Clamp On Thermometer - 73343535 - MSC Industrial Supply
Thermometer Clamp | Sargent Welch
BrewBuilt™ 1.5 in. Tri-Clamp Thermometer - 6 in. Probe | BrewBuilt
Thermometer Clamp | Flinn Scientific
Fisherbrand Castaloy Thermometer Clamps:Clamps and Supports:Clamps | Fisher Scientific